AZL-100392 CVE-2026-89587 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

DEBIAN-CVE-2026-89587

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

CVE-2026-89587

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

UBUNTU-CVE-2026-89587

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

CVE-2026-89653

In the Linux kernel, the following vulnerability has been resolved: ceph: reject exporttargets ranks = CEPHMAXMDS in mdsmap decode MDSMap exporttargets entries are monitor controlled. checknewmap uses each entry as a bit number in a fixed stack bitmap, so a rank outside the protocol namespace can...

DEBIAN-CVE-2026-80946

In the Linux kernel, the following vulnerability has been resolved: fuse: copy request headers via a stack buffer for io-uring The fuse-io-uring transport copies req-in.h out to the ring in fuseuringcopytoring and req-out.h back in fuseuringcommit. Both headers live inside the fuserequest slab...

CVE-2026-89587 ACPI: pfr_update: fix stack buffer overflow in query_capability()

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

EUVD-2026-76499

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

CVE-2026-89587 ACPI: pfr_update: fix stack buffer overflow in query_capability()

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

CVE-2026-89587

CVE-2026-89587 is a stack buffer overflow in the Linux kernel's ACPI Platform Firmware Runtime Update (pfr_update) driver. The query_capability() function uses memcpy to copy four firmware-supplied ACPI buffer objects (code_type, drv_type, platform_id, oem_id) into fixed-size u8[16] fields of the...

CVE-2026-89587

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...

CVE-2026-81007 ipmi: ipmb: validate write message length

In the Linux kernel, the following vulnerability has been resolved: ipmi: ipmb: validate write message length ipmbwrite read message fields before validating the length byte. A zero or short write can read uninitialized stack bytes. A length smaller than the SMBus header underflows the block writ...

CVE-2026-80975 mfd: qnap-mcu: keep the reply buffer alive past a command timeout

In the Linux kernel, the following vulnerability has been resolved: mfd: qnap-mcu: keep the reply buffer alive past a command timeout qnapmcuexec publishes an on-stack buffer to the receive path: unsigned char rxQNAPMCURXBUFFERSIZE; ... reply-data = rx; reply-length = length; and qnapmcureceivebu...

EUVD-2026-76298

In the Linux kernel, the following vulnerability has been resolved: mfd: qnap-mcu: keep the reply buffer alive past a command timeout qnapmcuexec publishes an on-stack buffer to the receive path: unsigned char rxQNAPMCURXBUFFERSIZE; ... reply-data = rx; reply-length = length; and qnapmcureceivebu...

CVE-2026-80946

This Linux kernel vulnerability affects the FUSE-io-uring transport. The fuse_request slab cache (fuse_req_cachep) is created without a usercopy whitelist , so directly copying req->in.h to the ring or req->out.h back from the ring trips CONFIG_HARDENED_USERCOPY , triggering a kernel panic ...

CVE-2026-80946

In the Linux kernel, the following vulnerability has been resolved: fuse: copy request headers via a stack buffer for io-uring The fuse-io-uring transport copies req-in.h out to the ring in fuseuringcopytoring and req-out.h back in fuseuringcommit. Both headers live inside the fuserequest slab...

Exploit for Stack-based Buffer Overflow in Microsoft

⚡ CVE-2026-41089 | Netlogon RCE Core Diagnostic Module...

EUVD-2026-75759

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control or impersonate a DRDA server endpoint to execute arbitrary commands on Db2 clients due to a stack-based buffer overflow that improperly copies user-controlled data into a fixed-size stack...

PT-2026-90303

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfr update: fix stack buffer overflow in query capability query capability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfru update cap info using memcpy with the...

CVE-2026-89587: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ACPI: pfrupdate: fix stack buffer overflow in querycapability querycapability copies four ACPI buffer objects returned by the firmware DSM into fixed-size u816 fields in struct pfruupdatecapinfo using memcpy with the...